Invalid shipping magnate Matthew Cabot (Nolan) is contempuous of second wife Sheila (Turner), who can't leave the marriage because of young son Peter (Kohler). She finds comfort in the arms of her husband's doctor, David Rivera (Quinn), and the duo decide the only way to find happiness is to kill off Cabot, which they do. Then Sheila begins to get anonymous letters accusing her of murder. Turner's glamor can't hide the gaping holes in the contrived plot. Adapted from the Goff/Roberts play.